/**
 * Author: Jordi Vilaplana Mayoral <jvilaplana@alumnes.udl.cat>
 * Date: 05/04/2011
 * 
 * LocationManager
 * Copyright (C) 2011 Jordi Vilaplana Mayoral
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * @(#)
 * Description: This program allows users to book rooms and schedule activities
 */

package locmanager.servlets;

import com.google.gson.Gson;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import locmanager.beans.ActivityBean;
import locmanager.beans.LocationBean;
import locmanager.persistence.DerbyPersistence;

/**
 * Location Schedule Controller.
 * 
 * @author Jordi Vilaplana Mayoral <jvilaplana@alumnes.udl.cat>
 * @version 1.0
 */
public class LocationScheduleServlet extends HttpServlet {

  /** 
   * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
   * @param request servlet request
   * @param response servlet response
   * @throws ServletException if a servlet-specific error occurs
   * @throws IOException if an I/O error occurs
   */
  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {

    response.setContentType("X-JSON");
    PrintWriter out = response.getWriter();

    DerbyPersistence db = new DerbyPersistence();
    SimpleDateFormat formater = new SimpleDateFormat("yyyy-MM-dd");
    Date startDate = null;

    int locationId = Integer.parseInt((String) request.getParameter("locationId"));
    try {
      startDate = formater.parse((String) request.getParameter("startDate"));
    } catch (Exception ex) {
    }
    LocationBean location = db.getLocation(locationId);
    List<ActivityBean> activities = db.getActivitiesByLocation(location, startDate);

    int startTime = 9;
    for (ActivityBean activity : activities) {
      startTime += activity.getDuration();
    }

    Gson gson = new Gson();
    String jsonOutput = gson.toJson(startTime);

    try {
      out.write(jsonOutput);

    } finally {
      out.close();
    }

  }

  // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
  /** 
   * Handles the HTTP <code>GET</code> method.
   * @param request servlet request
   * @param response servlet response
   * @throws ServletException if a servlet-specific error occurs
   * @throws IOException if an I/O error occurs
   */
  @Override
  protected void doGet(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    processRequest(request, response);
  }

  /** 
   * Handles the HTTP <code>POST</code> method.
   * @param request servlet request
   * @param response servlet response
   * @throws ServletException if a servlet-specific error occurs
   * @throws IOException if an I/O error occurs
   */
  @Override
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    processRequest(request, response);
  }
}
